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 <h1 class="title">Ctype 函数</h1>

 














































































<h2>Table of Contents</h2><ul class="chunklist chunklist_reference"><li><a href="function.ctype-alnum.html">ctype_alnum</a> — Check for alphanumeric character(s)</li><li><a href="function.ctype-alpha.html">ctype_alpha</a> — Check for alphabetic character(s)</li><li><a href="function.ctype-cntrl.html">ctype_cntrl</a> — Check for control character(s)</li><li><a href="function.ctype-digit.html">ctype_digit</a> — Check for numeric character(s)</li><li><a href="function.ctype-graph.html">ctype_graph</a> — Check for any printable character(s) except space</li><li><a href="function.ctype-lower.html">ctype_lower</a> — Check for lowercase character(s)</li><li><a href="function.ctype-print.html">ctype_print</a> — Check for printable character(s)</li><li><a href="function.ctype-punct.html">ctype_punct</a> — Check for any printable character which is not whitespace or an
   alphanumeric character</li><li><a href="function.ctype-space.html">ctype_space</a> — Check for whitespace character(s)</li><li><a href="function.ctype-upper.html">ctype_upper</a> — Check for uppercase character(s)</li><li><a href="function.ctype-xdigit.html">ctype_xdigit</a> — Check for character(s) representing a hexadecimal digit</li></ul>
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